This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Transport Loop. Diagram of transport system which provides loop route Such system may be part of greater network of other loops or radial routes which concentrate on central point the red dot or the loop may be standalone route such that the red dot is irrelevant Own work Created in Microsoft Powerpoint Andrew Bossi Public domain